Table 1 Performance comparison of the proposed sensor to the previous works.
Electrode | Voltage (V) | Sensitivity (μA.mM−1.cm−2) | Detection limit (μM) | Dynamic range (mM) | Response time (s) | References |
|---|---|---|---|---|---|---|
Nafion/CuO/ZnO-DSDSHNM/GCE | 0.60 | 1536.80 | 0.357 | 0.0005–100 | 1.60 | This work |
Nafion/GOx/ZnO/ITO | − 0.70 | 48.75 | 60 | 0.05–1.00 | 10 | |
3.87 | 1.00–20.00 | |||||
CuO-ZnO NRs/FTO | 0.62 | 2961.70 | 0.40 | 0.001–8.45 | < 2 | |
ZnO-CuO HNCs | 0.70 | 3066.4 | 0.21 | 0.00047–1.6 | 5.5 | |
CuO Nanospheres | 0.60 | 404.53 | 1 | Up to 2.55 | – | |
CuO/graphene | − 0.05 | 37.63 | 5 | 5–14 | 1 | |
GCE/ZnO@NDCS/GOx | 0.57 | 231.7 | 6.3 | 0.2–12 | 3 |
